Ch 23: Fig 2
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P outside > P inside
What is the relationship between the pressures at label "3"?
P outside < P inside
What is the relationship between the pressures at label "8"?
external intercostals
Which muscle(s) produce(s) the movement labeled "1"?
P4 is always lower than P5.
How does the pressure "P4" at label "4" compare to the pressure "P5" at label "5"?
intrapleural pressure
What pressure will be present in the space labeled "4"?
diaphragm contracts
What produces the movement labeled "2"?